Finding the Fourth Proportional to 126,074.54, 189,112.12 and 103,798.73

Step by Step Solution

1. Step 1: Write the proportion equation
   126,074.54 : 189,112.12 = 103,798.73 : x
2. Step 2: Convert to fraction form
   126,074.54/189,112.12 = 103,798.73/x
3. Step 3: Cross multiply
   126,074.54x = 189,112.12 × 103,798.73
4. Step 4: Simplify right side
   126,074.54x = 19,629,598,096.89
5. Step 5: Solve for x
   x = 19,629,598,096.89/126,074.54
6. Step 6: Final answer
   x = 155,698.35